refactor: Adjust min-width for action buttons in ServerManager to enhance layout consistency

frontend/src/ServerManager.jsx

@@ -525,7 +525,7 @@ function ServerManager() {
                 </th>
                 <th className="text-center">Статус</th>
                 <th className="text-end">Ссылка</th>
-                <th className="text-end">Действия</th>
+                <th className="text-end" style={{ minWidth: 140 }}>Действия</th>
               </tr>
             </thead>
             <tbody>
@@ -544,7 +544,7 @@ function ServerManager() {
                   <td className="text-center">
                     <span className="badge bg-success-lt text-success">Онлайн</span>
                   </td>
-                  <td className="text-end">
+                  <td className="text-end" style={{ minWidth: 140 }}>
                         <div className="btn-list gap-1 mb-0">
                           <button className="btn btn-icon btn-sm btn-outline-primary" title="Ссылка" onClick={() => handleGenerateLink(server)} onContextMenu={(e) => { e.preventDefault(); quickCopyLink(server); }}>
                             <IconLink size={18} />